Determining the Concept of the Principles of Legal Regulation of Encouragement of the Employees of the National Police of Ukraine. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 87, n. 4, p. 54–61, 2019. DOI: 10.32631/v.2019.4.05. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/252. Acesso em: 19 sep. 2025.